Update the documentation link

Author: ivmarkov

Cargo.toml

@@ -12,7 +12,7 @@ license = "MIT OR Apache-2.0"
 readme = "README.md"
 links = "esp_idf"
 build = "build/build.rs"
-documentation = "https://docs.esp-rs.org/esp-idf-sys/"
+documentation = "https://esp-rs.github.io/esp-idf-sys"
 rust-version = "1.82"
 
 [lib]